<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>图书信息</title>
</head>
<body>
<a href="/create">新增</a>
<ul>
    {% for book in books %}
    <li> {{ book.btitle }}--<a href="/delete{{book.id}}">删除</a></li>
    {% endfor %}
</ul>
</body>
</html>